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20 Dec 2005
all:
gcc -g -o frac frac.c
frac:
gcc -g -o frac frac.c
clean:
rm -f *.o *~ *.exe
#-g is for gdb debug, -o is for the output filename
http://cygwin.com/cygwin-ug-net/dll.html
http://gcc.gnu.org/
15 Dec 2005
$ gcc -c mydll.c
//-c is to compile and assemble, but not link
$ gcc -shared -o mydll.dll mydll.o
//generate the mydll.dll, which is 9.78KB, versus mydll.o
object file is 0.49KB
$ gcc -o myprog myprog.c -L./ -l mydll
//tells gcc to link myprog.c to mydll
$ myprog
Hello World!
mydll.dll
#include <stdio.h>
int hello()
{
printf ("Hello World!\n");
}
myprog.c
int main ()
{
hello ();
}
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